tcpconnect: Remove unnecessary bpf_probe_read calls

a1140168 · Paul Chaignon · f1e9abe7 · a1140168
Commit a1140168 authored May 05, 2018 by Paul Chaignon
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Showing with 3 additions and 5 deletions

tools/old/tcpconnect.py tools/old/tcpconnect.py +3 -5

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--- a/tools/old/tcpconnect.py
+++ b/tools/old/tcpconnect.py
@@ -75,12 +75,10 @@ static int trace_connect_return(struct pt_regs *ctx, short ipver)
    struct sock *skp = *skpp;
    u32 saddr = 0, daddr = 0;
    u16 dport = 0;
-    bpf_probe_read(&dport, sizeof(dport), &skp->__sk_common.skc_dport);
+    dport = skp->__sk_common.skc_dport;
    if (ipver == 4) {
-        bpf_probe_read(&saddr, sizeof(saddr),
+        saddr = skp->__sk_common.skc_rcv_saddr;
-            &skp->__sk_common.skc_rcv_saddr);
+        daddr = skp->__sk_common.skc_daddr;
-        bpf_probe_read(&daddr, sizeof(daddr),
-            &skp->__sk_common.skc_daddr);
        // output
        bpf_trace_printk("4 %x %x %d\\n", saddr, daddr, ntohs(dport));